North Carolina Building Contractor License Practice Exam

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How much should the lap of durawire measure at a minimum?

4 inches
6 inches
8 inches
10 inches

The correct answer is: 8 inches

The minimum lap of durawire should measure a minimum of 8 inches to ensure proper installation and effective functioning. A lap of this size provides sufficient overlap to maintain structural integrity and enhance the performance of the wire mesh, which is often used in various construction applications such as ensuring stability in concrete projects. Adequate lap dimensions prevent any potential gaps that could compromise the strength of the structure and help avoid issues like cracking or shifting over time. This dimension has been established as a standard in construction practices to promote durability and reliability in the materials used.